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The J-45 Telegraph Key

The J-45 is designed for mobile use, clamped to the user's thigh, but the key mounting is easily reversed for use on a table as well.

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I got this key in the box with the label shown here. Thanks to Bob Hunter (AA0FG), who wrote me that the first line of the box label is the Federal Stock Number, the fourth line is the contract number, and the the contract for the key was let in 1979. The Federal Stock Number is for a "Key,Telegraph" and one of the Associated Part Numbers is J-45, so I guess this key probably belongs with this box, and that it is not of WWII vintage.

The J-45FR was apparently made either by, or for, use by the French military.

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The key on the J-45FR does NOT have J-37 molded into the frame.

The JJ-45 was apparently made either by, or for, use by the military forces in Japan.

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The key on the JJ-45 has "JJ-37" molded into the frame.

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